ROBERTSON 3P20046 RSW120T12120 /A eBallast, Preheat Rapid Start, 1 Lamp, T8 and T12 (F20T12), NPF, 120Vac. Equivalent to: Philips Advance REL1S40SC, Espen VE232120MIP, Fulham SC120120CT12, SC120115CT8 Equivalent to: Keystone KTEB-120-1-TP-EMI Save and order the 2P20046 Quik-Pak of 10 units individually packaged Save the most with the 5P20046 carton of 10 units, not individually packaged Commercial grade. Two Year Factory Warranty